Periodic Table

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1
H
1.01
2
He
4.00
3
Li
6.94
4
Be
9.01
5
B
10.81
6
C
12.01
7
N
14.01
8
O
16.00
9
F
19.00
10
Ne
20.18
11
Na
22.99
12
Mg
24.30
13
Al
26.98
14
Si
28.09
15
P
30.97
16
S
32.07
17
Cl
35.45
18
Ar
39.95
19
K
39.10
20
Ca
40.08
21
Sc
44.96
22
Ti
47.87
23
V
50.94
24
Cr
52.00
25
Mn
54.94
26
Fe
55.85
27
Co
58.93
28
Ni
58.69
29
Cu
63.55
30
Zn
65.39
31
Ga
69.72
32
Ge
72.61
33
As
74.92
34
Se
78.96
35
Br
79.90
36
Kr
83.80
37
Rb
85.47
38
Sr
87.62
39
Y
88.91
40
Zr
91.22
41
Nb
92.90
42
Mo
95.94
43
Tc
98
44
Ru
101.07
45
Rh
102.91
46
Pd
106.42
47
Ag
107.87
48
Cd
112.41
49
In
114.82
50
Sn
118.71
51
Sb
121.76
52
Te
127.60
53
I
126.90
54
Xe
131.29
55
Cs
132.91
56
Ba
137.33
* 72
Hf
178.49
73
Ta
180.95
74
W
183.84
75
Re
186.21
76
Os
190.23
77
Ir
192.22
78
Pt
195.08
79
Au
196.97
80
Hg
200.59
81
Tl
204.38
82
Pb
207.20
83
Bi
208.98
84
Po
209
85
At
210
86
Rn
222
87
Fr
223
88
Ra
226
** 104
Rf
261
105
Db
262
106
Sg
263
107
Bh
262
108
Hs
265
109
Mt
266
110
Ds
269
111
Rg
272
112
Cp
285
113
Uut
284
114
Uuq
289
115
uup
288
116
Uuh
289
117
Uus
?
118
Uuo
293



* Lanthanoids  57
La
138.91
58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
145
62
Sm
150.36
63
Eu
151.96
64
Gd
157.25
65
Tb
158.93
66
Dy
162.50
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.04
71
Lu
174.97
** Actinoids  89
Ac
227
90
Th
232.04
91
Pa
231.04
92
U
238.03
93
Np
237
94
Pu
244
95
Am
243
96
Cm
247
97
Bk
247
98
Cf
251
99
Es
252
100
Fm
257
101
Md
258
102
No
259
103
Lr
262

Color Key:

Alkali metalsAlkali earth metalsLanthanoidsActinoidsTransition metals
Poor metalsMetalloidsNon-metalsHalogensNoble gases




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This page was last changed on: 17 September 2017.

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